~/tools / mx-lookup

MX Lookup

Check MX records and detect mail provider. Lists records by priority with their resolved IPs.

>
[ OK ] MX configured. Detected provider: Microsoft 365.
── output ─────
Provider: Microsoft 365
PriorityMail serverIPs
100 telegraaf-nl.mail.protection.outlook.com 52.101.73.11, 52.101.73.12, 52.101.68.32, 52.101.73.6
// Save telegraaf.nl → we'll run this daily and alert on changes. /signup →